body{
	text-align: center;
	margin: 0 auto;
	width: 35em;
	background: #efe;
}
body *{
	text-align: left;
	font-family: sans-serif;
}
form, .source{
	border: 1px dotted #5a5;
	background: #fff;
	padding: 2em;
	margin: 2em 0;
}
.source{
	overflow: scroll;
	white-space: nowrap;
}
code, code *{
	font-size: 12px;
	font-family: monospace;
}
h1, h2{
	color: #5a5;
	margin: 0 0 .3em;
	font-size: 28px;
}
h2{
	font-size: 18px;
}
input{
	border: 1px solid #5a5;
	width: 100%;
}
button{
	border: 1px solid #5a5;
	margin: 5px 0;
	background: #cfc;
}
#result{
	margin-top: 20px;
}
.last{
	margin-bottom: 0;
}